Bell Ringer 3-24-11 Sheila made a scale drawing of a room. The actual room has a width of 16 feet and a length of 24 feet. Her drawing has a length of.

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Bell Ringer Sheila made a scale drawing of a room. The actual room has a width of 16 feet and a length of 24 feet. Her drawing has a length of 3 feet. 1. What type of dilation occurred? 2. Calculate the scale factor. 3. What is the width, in inches, of the scale drawing of the room? 4. Calculate the area of the scale drawing of the room. 5. Based on the dilation, how is the perimeter affected?

Sheila made a scale drawing of a room. The actual room has a width of 16 feet and a length of 24 feet. Her drawing has a length of 3 feet. 1. What type of dilation occurred? 2. Calculate the scale factor.

Sheila made a scale drawing of a room. The actual room has a width of 16 feet and a length of 24 feet. Her drawing has a length of 3 feet. 3. What is the width, in inches, of the scale drawing of the room? 4. Calculate the area of the scale drawing of the room.

Sheila made a scale drawing of a room. The actual room has a width of 16 feet and a length of 24 feet. Her drawing has a length of 3 ft. 5. Based on the dilation, how is the perimeter affected?

Quiz A water tank contains 2,500 gallons. A faucet attached to the tank releases water at a constant rate of 5 gallons per minute. If the faucet is left open for 1 hour and no other water is released, which equation can be used to find r, the number of gallons of water remaining in the tank? A. r = 2,500 ÷ 5 B. r = 2,500 – 60 C. r = 2,500 – 60(5) D. r = 2,500 ÷ 60(5)

Which equation can be used? Since 5 gallons of water is released per minute, I multiplied 5 by the number of minutes the water was released. It was released for one hour, so that is 60 minutes. To find the number of gallons left, I subtracted the water loss from the volume of the tank. A water tank contains 2,500 gallons. A faucet attached to the tank releases water at a constant rate of 5 gallons per minute. If the faucet is left open for 1 hour and no other water is released, which equation can be used to find r, the number of gallons of water remaining in the tank? Equation C can be used to find the number of gallons left. Holds 2500 gallons Releases 5 gallons per minute Open for 1 hour r = number of gallons in tank

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Reach for the Stars Thursday The figure shows a rectangle inside a circle. Which procedure should be used to find the area of the shaded region? A Find the area of the circle and then subtract the area of the rectangle. B Find the circumference of the circle and then subtract the perimeter of the rectangle. C Find the circumference of the circle and then subtract the area of the rectangle. D Find the area of the rectangle and then subtract the perimeter of the rectangle.

Reach for the Stars Thursday A mistake was made in simplifying the expression below. Simplify: 6 - 2(6+4) – 2 3 Step 1: 6 - 2(10) – 2 3 Step 2: 4(10) – 2 3 Step 3: 40 – 2 3 Step 4: 40 – 8 Step 5: 32 In which step did the mistake first appear? A Step 1 B Step 2 C Step 3 D Step 4

Reach for the Stars Thursday Trace paid Dalton $15.50 for a combination of 15 baseball and football cards. The baseball cards were $1.50 each, and the football cards were $0.50 each. How much did Trace spend on the baseball cards? A. $3.50 B. $12.00 C. $4.00 D. $10.50

Probability & Statistics Group Test You are going to use student created graphs to answer the test questions. Work with a partner to analyze the class graphs and answer the questions. You will rotate around the room, answering the questions. Do all the work on your own piece of paper.

Complete TAKS Coach TAKS Coach started yesterday: Pg. 238: 1-8 Remember to show work or justify EVERY problem.